Many landlords are looking for ways to improve their property’s Energy Performance Certificate (EPC) rating without spending unnecessary amounts of money on upgrades that may deliver limited benefits.

Whether you own a single buy-to-let flat or a larger rental portfolio, understanding how EPC assessments work can help you make more informed investment decisions.

One of the biggest mistakes landlords make is investing in improvement works before fully understanding how those measures may be considered within a future EPC assessment.

Founded in 2015 by Jino Jose, EPCRATE provides EPC assessments and Draft EPC reviews across London, helping landlords better understand their property’s energy performance before committing expenditure. Call 020 3488 4142 to speak with our team.

Why EPC Planning Matters

Energy efficiency improvements can represent a significant investment.

Landlords often face decisions relating to:

  • Heating systems.
  • Insulation upgrades.
  • Window replacements.
  • Renewable technologies.
  • Property refurbishments.

Without understanding the property’s current position, it can be difficult to determine which improvements may be most relevant to the building. If your target is a specific band, our guide to getting an EPC C rating covers the improvement measures in more detail.

Not Every Improvement Delivers the Same Value

Every property is different.

A measure that may be appropriate for a modern apartment may not be suitable for a Victorian conversion or period property.

Factors influencing improvement decisions include:

  • Property age.
  • Construction type.
  • Existing systems.
  • Available evidence.
  • Budget.
  • Long-term investment goals.

This is why a property-specific review is often more valuable than generic advice.

Why Supporting Evidence Is Important

Many landlords are unaware that supporting documentation can play an important role within EPC assessments.

Examples may include:

  • Insulation certificates.
  • FENSA certificates.
  • Building Control records.
  • Completion certificate.
  • Renewable technology certificates.

Suitable evidence may help ensure qualifying features are appropriately reflected where assessment conventions allow. Our guide to EPC evidence and documents explains exactly what to prepare.

Consider a Draft EPC Before Spending Money

Before committing to major upgrade works, many landlords find it helpful to review their property’s current position.

A Draft EPC service can help:

  • Review current energy performance.
  • Explore potential improvement scenarios.
  • Identify supporting evidence.
  • Support budgeting decisions.
  • Reduce unnecessary expenditure.

For example, a landlord considering £5,000–£15,000 of improvements may wish to understand how different measures fit within the property’s overall energy profile before proceeding.

A Draft EPC can support this planning process — see our full guide: Is a Draft EPC worth it?

However, a Draft EPC does not guarantee a particular EPC rating, compliance outcome or improvement result.

London Flats Require a Different Approach

Many London landlords own flats and apartments.

These properties may have unique considerations including:

  • Leasehold restrictions.
  • Communal heating systems.
  • Building management arrangements.
  • Limited control over external fabric improvements.

This makes property-specific planning particularly important.

Common Mistakes Landlords Make

  • Installing upgrades without understanding the property’s EPC position.
  • Not keeping supporting documentation.
  • Assuming all properties respond the same way to improvements.
  • Ignoring available evidence.
  • Focusing on one improvement measure in isolation.

Why Choose EPCRATE?

  • Founded in 2015 by Jino Jose.
  • DEA Accredited.
  • ★★★★★ Trustpilot Reviews.
  • ★★★★★ Google Reviews.
  • Coverage across all 32 London boroughs.
  • Only London provider offering a Draft EPC service.
  • Domestic and Commercial EPC specialists.
  • Greater London Energy Efficiency Awards – Commended 2024.
  • Greater London Energy Efficiency Awards – Highly Commended 2025.

Frequently Asked Questions

Can I improve my EPC rating without spending thousands?

Every property is different. Understanding the property’s current position and available evidence is often the first step before considering major expenditure. Call EPCRATE on 020 3488 4142 for property-specific advice.

Should landlords keep improvement records?

Yes. Supporting documentation may be relevant during future EPC assessments.

What is a Draft EPC?

A Draft EPC is a planning and review service that can help landlords explore potential improvement scenarios before committing expenditure. EPCRATE is the only London provider offering this service.

Can a Draft EPC guarantee a higher rating?

No. A Draft EPC supports planning and decision-making but cannot guarantee any particular outcome.

Are flats assessed differently from houses?

Flats and houses have different characteristics, and each property is assessed individually using approved methodologies.

Planning improvement works on a rental property? Call EPCRATE on 020 3488 4142 to discuss a Draft EPC review before you commit your budget.

Service Price
1 Bedroom EPC £59
2 Bedroom EPC £69
3 Bedroom EPC £79
EPC + Floor Plan Bundle £118



Written by Jino Jose

DEA & NDEA Accredited Energy Assessor  ·  EPCRATE, London  ·  Founded 2015

Jino Jose is the founder of EPCRATE and one of the few London assessors holding both Domestic Energy Assessor (DEA) and Non-Domestic Energy Assessor (NDEA) accreditations. He has carried out thousands of EPC assessments across all 32 London boroughs since 2015.

✓ DEA Accredited ✓ NDEA Accredited ⭐ Trustpilot 5.0

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